See in German www.top-of-uri.ch/_pages/Wandern im Fellital.htm
I shot this panorama during trekking up the Fellital starting in Gurtnellen (707m) with a stop in the Tresch alpin hut crossing the Fellilücke (2478m) and going via the beautiful lake Luter down to Nätschen. Here we are at the Fellilücke